arm64: dts: qcom: sm8550: add TRNG node
[linux-modified.git] / Documentation / devicetree / bindings / pci / amlogic,axg-pcie.yaml
1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pci/amlogic,axg-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Amlogic Meson AXG DWC PCIe SoC controller
8
9 maintainers:
10   - Neil Armstrong <neil.armstrong@linaro.org>
11
12 description:
13   Amlogic Meson PCIe host controller is based on the Synopsys DesignWare PCI core.
14
15 allOf:
16   - $ref: /schemas/pci/pci-bus.yaml#
17   - $ref: /schemas/pci/snps,dw-pcie-common.yaml#
18
19 # We need a select here so we don't match all nodes with 'snps,dw-pcie'
20 select:
21   properties:
22     compatible:
23       enum:
24         - amlogic,axg-pcie
25         - amlogic,g12a-pcie
26   required:
27     - compatible
28
29 properties:
30   compatible:
31     items:
32       - enum:
33           - amlogic,axg-pcie
34           - amlogic,g12a-pcie
35       - const: snps,dw-pcie
36
37   reg:
38     items:
39       - description: External local bus interface registers
40       - description: Meson designed configuration registers
41       - description: PCIe configuration space
42
43   reg-names:
44     items:
45       - const: elbi
46       - const: cfg
47       - const: config
48
49   interrupts:
50     maxItems: 1
51
52   clocks:
53     items:
54       - description: PCIe GEN 100M PLL clock
55       - description: PCIe RC clock gate
56       - description: PCIe PHY clock
57
58   clock-names:
59     items:
60       - const: pclk
61       - const: port
62       - const: general
63
64   phys:
65     maxItems: 1
66
67   phy-names:
68     const: pcie
69
70   resets:
71     items:
72       - description: Port Reset
73       - description: Shared APB reset
74
75   reset-names:
76     items:
77       - const: port
78       - const: apb
79
80   num-lanes:
81     const: 1
82
83   power-domains:
84     maxItems: 1
85
86 required:
87   - compatible
88   - reg
89   - reg-names
90   - interrupts
91   - clock
92   - clock-names
93   - "#address-cells"
94   - "#size-cells"
95   - "#interrupt-cells"
96   - interrupt-map
97   - interrupt-map-mask
98   - ranges
99   - bus-range
100   - device_type
101   - num-lanes
102   - phys
103   - phy-names
104   - resets
105   - reset-names
106
107 unevaluatedProperties: false
108
109 examples:
110   - |
111     #include <dt-bindings/interrupt-controller/irq.h>
112     #include <dt-bindings/interrupt-controller/arm-gic.h>
113     pcie: pcie@f9800000 {
114         compatible = "amlogic,axg-pcie", "snps,dw-pcie";
115         reg = <0xf9800000 0x400000>, <0xff646000 0x2000>, <0xf9f00000 0x100000>;
116         reg-names = "elbi", "cfg", "config";
117         interrupts = <GIC_SPI 177 IRQ_TYPE_EDGE_RISING>;
118         clocks = <&pclk>, <&clk_port>, <&clk_phy>;
119         clock-names = "pclk", "port", "general";
120         resets = <&reset_pcie_port>, <&reset_pcie_apb>;
121         reset-names = "port", "apb";
122         phys = <&pcie_phy>;
123         phy-names = "pcie";
124         #interrupt-cells = <1>;
125         interrupt-map-mask = <0 0 0 0>;
126         interrupt-map = <0 0 0 0 &gic GIC_SPI 179 IRQ_TYPE_EDGE_RISING>;
127         bus-range = <0x0 0xff>;
128         #address-cells = <3>;
129         #size-cells = <2>;
130         device_type = "pci";
131         num-lanes = <1>;
132         ranges = <0x82000000 0 0 0xf9c00000 0 0x00300000>;
133     };
134 ...